Door mat



FIG. 1 is a perspective view of a door mat showing my new design;

FIG. 2 is a plan view thereof;

FIG. 3 is a side elevational view thereof;

FIG. 4 is a bottom view thereof;

FIG. 5 is a cross sectional view thereof; and,

FIG. 6 is an enlarged fragmentary perspective view thereof.

A feature of the design is the filament loop aggregation as seen in FIGS. 1 to 3, 5 and 6. 

The ornamental design for a door mat, as shown and described. 